2024
Variation in the mu-opioid receptor gene (OPRM1) moderates the influence of maternal sensitivity on child attachment
Tchalova K, Lydon J, Atkinson L, Fleming A, Kennedy J, Lecompte V, Meaney M, Moss E, O’Donnell K, O’Donnell K, Silveira P, Sokolowski M, Steiner M, Bartz J. Variation in the mu-opioid receptor gene (OPRM1) moderates the influence of maternal sensitivity on child attachment. Translational Psychiatry 2024, 14: 181. PMID: 38580654, PMCID: PMC10997775, DOI: 10.1038/s41398-024-02888-x.Peer-Reviewed Original ResearchConceptsMaternal sensitivityChild attachmentAttachment behaviorExpression of attachment behaviorLevels of maternal sensitivityOPRM1 A118G genotypeInfluence of maternal sensitivityNon-human animal researchAmbivalent attachment patternsStrange Situation paradigmMu-opioid receptor geneOPRM1 A118G polymorphismA118G genotypeChildren's attachment stylesMother-child interactionA118G polymorphismEndogenous opioid systemMinor G alleleSensitive maternal careMother-infant attachmentInfant rhesus macaquesG alleleC77G polymorphismReceptor geneSituation paradigm
2015
Influence of the A118G Polymorphism of the OPRM1 Gene and Exon 3 VNTR Polymorphism of the DRD4 Gene on Cigarette Craving After Alcohol Administration
Lechner WV, Knopik VS, McGeary JE, Spillane NS, Tidey JW, McKee SA, Metrik J, Leventhal AM, Rohsenow DJ, Kahler CW. Influence of the A118G Polymorphism of the OPRM1 Gene and Exon 3 VNTR Polymorphism of the DRD4 Gene on Cigarette Craving After Alcohol Administration. Nicotine & Tobacco Research 2015, 18: 632-636. PMID: 26092968, PMCID: PMC5896808, DOI: 10.1093/ntr/ntv136.Peer-Reviewed Original ResearchConceptsA118G polymorphismG polymorphismOPRM1 geneAlcohol administrationG carriersG alleleRepeated-measures design studyA118G genotypeG allele carriersDose of alcoholVNTR polymorphismMean age 39.2Greater increaseSmoking cessationAge 39.2Allele carriersCigarette cravingG genotypeHigh doseAlcohol consumptionHeavy drinkersThree-sessionDRD4 geneHeavy drinkingVNTR genotype
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